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Zwalm Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Zwalm. The numbers are calculated over a 30-year period to provide a reliable average. Let's now guide you through the details for a complete overview.

Generally, Zwalm has a moderate amount of precipitation, averaging 814 mm of rain/snowfall annually.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm)

Precipitation levels in Zwalm remain relatively steady throughout the year. August has the most rain, with 79 mm over 14 days. In April, this drops slightly to 57 mm, making the city's climate fairly predictable.

August, the city’s wettest month, has a maximum daytime temperature of 24°C. During the driest month April you can expect a temperature of 16°C. For more detailed insights into the city’s temperatures, visit our Zwalm Temperature page.

Annual Precipitation in Belgium

The map below shows the annual precipitation across Belgium. You can also select the different months in case you are interested in a specific month.

Annual
Map not visible? Whoops sorry! Please refresh the page.
Legend heavy rainfall high moderate low almost none
Heavy annual rainfall has been defined as more than 1000 mm precipitation. High: 600 mm to 1000 mm. Moderate: 250 mm to 600 mm. Low: less than 250 mm.

Amsterdam Precipitation Compared World Wide

Zwalm’s average annual precipitation is 814 mm. Let’s compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm, characterized by wet winters and dry summers typical of the Mediterranean climate.

In Shanghai, China, the annual average precipitation is 1347 mm, with a humid subtropical climate.

Adelaide, Australia, enjoys 511 mm of annual precipitation, with dry summers and wet winters.

Kuala Lumpur, Malaysia, receives 2529 mm of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Global Warming and Precipitation

Climate change is affecting precipitation patterns worldwide, including Zwalm:

  • Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
  • Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

For more detailed information about Zwalm’s weather, including sunshine hours, humidity levels, and temperature data, visit our Zwalm Climate page.


Current rainfall in Zwalm

Wed   Dec 18
13°C | 6°C
SW 8 m/s
2.7 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Thu   Dec 19
13°C | 4°C
NW 8 m/s
9.5 mm
partly cloudy and rain

partly cloudy and rain

Fri   Dec 20
8°C | 2°C
SW 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Zwalm.

Our site offers climate and forecast data for every country in the world. Are you going to Belgium? On this website you can find historical weather averages for many cities in Belgium. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.